Home / 15,943.05-22,000.50-8,868.06

Finding the Fourth Proportional to 15,943.05, 22,000.50 and 8,868.06

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Solution

The fourth proportional to 15,943.05, 22,000.50 and 8,868.06 is: 12,237.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,943.05 : 22,000.50 = 8,868.06 : x
  2. Step 2: Convert to fraction form
    15,943.05/22,000.50 = 8,868.06/x
  3. Step 3: Cross multiply
    15,943.05x = 22,000.50 × 8,868.06
  4. Step 4: Simplify right side
    15,943.05x = 195,101,754.03
  5. Step 5: Solve for x
    x = 195,101,754.03/15,943.05
  6. Step 6: Final answer
    x = 12,237.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.